查询词典 ball

The boundary of interval Ball curves of degree n is discussed and two algorithms for the degree reduction of interval Ball curves are given by means of linear programming and best approximation respectively.

讨论了n次区间Ball曲线的边界的构成；同时通过讨论区间多项式的降阶，利用线性规划法及最佳一致逼近法，给出了区间Ball曲线的的降阶算法。

The author derives the dual functional of the Wang-Ball basis for the first time and then obtains the explicit expression of Wang-Ball basis in terms of the Bernstein basis.

作者在这里首次给出Wang-Ball基函数的对偶泛函，并由此导出从Bernstein基到Wang-Ball基的显式表示。

By means of the dual of Said-Ball basis, the Marsden identity is got in terms of Said-Ball basis, and a degree reduction algorithm for Said-Ball curves is presented through the transform from Bezier curves to Said-Ball curves.

利用Said-Ball基函数的对偶基，得到幂基函数在Said-Ball基下的Marsden恒等式，及从Bézier曲线到Said-Ball曲线的转换。并给出Said-Ball曲线的降阶赋值算法。

In order to realize the transition from quartic Wang-Ball to Said-Ball curve, and the transition from quartic Said-Ball to B6zier curve, two new classes of curves with shape parameters are defined.

为了实现从四次Wang-Ball到Said-Ball曲线的过渡，以及从四次Said-Ball到B6zier曲线的过渡，定义了2种带形状参数的曲线。

The first class of curve contains the quartic Wang-Ball and Said-Ball curve and many curves locating between them. The second class of curve contains the quartic Said-Ball and Bézier curve and many curves locating between them. By analyzing the relation between the new curves and the quartic B6zier curve, the geometric meaning of the shape parameters is obtained, and the geometrical drawing method of the new curves is given.

第一种曲线包含了四次Wang-Ball和Said-Ball曲线以及介于它们之间的无数曲线；第二种曲线包含了四次Said-Ball和Bézier曲线以及介于它们之闻的无数曲线；通过分析新曲线与四次Bézier曲线之问的关系，得出了形状参数的几何意义，并给出了它们的几何作图法。

His favourit last to the age when he was two years old, I still remember when I went to US for studying,he never forgot to ask me brough one ball for him, and to may other people supprise,I really bough a American football for him,this ball is so difference with other balls,so he jumped out of his skin.

只要有Ball字的一并俱全，这种爱好一直到两岁的时候，记得我去美国学习的那年，儿子打电话给我，要我回来时买个球给他，结果呢？你猜猜咋啦？我买了一个美式橄榄球回来给他，他同样也欣喜若狂。

To use this tactic it is usually helpful if the players in your team have high Passing and Off the Ball movement, reasonable stamina is also useful as a team playing this style have to make a lot more movement than one simply lobbing the ball up the park.

如果你的球员有很高的passing和off the ball movment那你使用这种战术就很有效，当然不错的体能也很有帮助，因为相比那些把球简单开向前场的球队，你的球员会需要作很多跑动。

To use this tactic it is usually helpful if the players in your team have high Passing and Off the Ball movement, reasonable stamina is also useful as a team playing this style have to make a lot more movement than one simply lobbing the ball up the park.

如果您的球员有很高的passing和off the ball movment那您使用这种战术就很有效，当然不错的体能也很有帮助，因为相比那些把球简单开向前场的球队，您的球员会需要作很多跑动。

Webster Clay Ball (October 6, 1847–1922) was a jeweller and watchmaker born in Fredericktown, Ohio. After a two-year apprenticeship to a jeweller, Ball settled in Cleveland, Ohio to join a jewelry store. When Standard Time was adopted in 1883, he was the first jeweller to use time signals from the United States Naval Observatory, bringing accurate time to Cleveland.

Webster Clay Ball是俄亥俄的珠宝商和制表商。1883年发布了标准时间系统后，他是第一个在珠宝店演示美国海军提供的标准时间的珠宝商，他把精确时间带入了克里夫兰。

Waste plastic box to protect ball Waste plastic box to protect ball Northwest Oilfield Branch Ministry of oil and gas distribution gas transmission team round of the gate, the station has all of the 34 ball on the plastic protective cover is installed, even if the waste plastic boxes are used, but also to protect the ball.

Waste plastic box to protect ball ；是由上海赛泰泵阀有限公司提供的阀门新闻，中文译文仅供参考(上海赛泰泵阀有限公司还生产电动执行器特殊阀门电站阀门平衡阀水力控制阀及衬氟旋塞阀，衬氟截止阀，高温高压电磁阀，氧气截止阀，微型电磁阀，欢迎您的选购。)废旧塑料盒保护球阀西北油田分公司油气运销部输气队轮台门站近日在34个球阀上全部安装了塑料防护罩，既使废塑料盒得到利用，又保护了球阀。

The commercials enigmatically depicted various scenes from what appeared to be a short narrative that climaxed with a car crashing into a swimming pool.

这次的企划是让一帮共和党人站出来解释，为何自己00年大选选了布什，04年却把票子投给了克里。

If you are wanting the best, designer gold and diamond necklaces are the very best.

如果你想要最好的，设计黄金和钻石项链是最好的。